Evolutionary Stages are the stages through which creation passes on its way to the generation of sentient life and the emergence of a planet's Pinnacle Species.
Evolutionary Stages of The Great Work
Stage Three (Coalescence) - The formation of solar systems and planets
Stage Four (Emergence)- The emergence of life on an individual planet.
Masonic creation story, six stages, modelled on Old Testatment. See section two of the Second Degree Tracing Board Lecture.